Cleaning up Shallow_Water a bit. Removed the adaptivity, as we don't expect it to work on the sphere anyway. Removed the Helmholtz test as it was cluttering things. Tidied options retrieval into a subroutine.
Cleaning up Shallow_Water a bit. Removed the adaptivity, as we don't
expect it to work on the sphere anyway. Removed the Helmholtz test as it was
cluttering things. Tidied options retrieval into a subroutine.


jjo31/ATHAM-Fluidity,jrper/fluidity,iakovos-panourgias/fluidity,rjferrier/fluidity,iakovos-panourgias/fluidity,rjferrier/fluidity,iakovos-panourgias/fluidity,jrper/fluidity,iakovos-panourgias/fluidity,jjo31/ATHAM-Fluidity,jrper/fluidity,rjferrier/fluidity,iakovos-panourgias/fluidity,jjo31/ATHAM-Fluidity,rjferrier/fluidity,jrper/fluidity,jrper/fluidity,jjo31/ATHAM-Fluidity,rjferrier/fluidity,jjo31/ATHAM-Fluidity